Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.435964151953
Darker point darker score: -0.957765849994
darker: 1 (eq: False, dd: False), confidence: 1, worker: APLPGURGFU8KN
darker: 1 (eq: False, dd: False), confidence: 2, worker: A27H0BKXDPJ543
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2FNC7KTCBF9IT
darker: E (eq: True, dd: None), confidence: 0, worker: A36ABEGFKRJC2O
darker: 2 (eq: False, dd: True), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1DDY93NB8NESD
darker: 1 (eq: False, dd: False), confidence: 2, worker: AKG5TLUQ2WWED
(0: guessing, 1: probably, 2: definitely)